| Links | ||
|---|---|---|
| Prices: | Compare Prices | Compare Prices |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Sony A7R II
A7R II vs A7R III |
Pentax K-3 II
K-3 II vs K-3 III |
| Successor: |
Sony A7R IV
A7R III vs A7R IV |
|
| General | ||
| Model Number: | A7R III | K-3 III |
| Alternate Model Number(s): | ILCE-7RM3 | K-3 Mark III |
| Camera Format: | Compact System Camera | Pro SLR |
| Currently Manufactured: | Yes | Yes |
| Retail Price: | $3200.00 | $1999.95 |
| Street Price: | $2,151.48 | $1,846.95 |
| Date Available: | 2017-11-30 | 2021-04-06 |
| Tripod Mount: | Yes | Yes |
| Weight: |
23.2 oz
(657 g)
includes batteries |
28.9 oz
(820 g)
includes batteries |
| Size: |
5.0 x
3.8 x
2.9 in. (127 x 96 x 74 mm) |
5.3 x
4.1 x
2.9 in. (135 x 104 x 74 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 42.4 | 25.7 |
| Sensor Format: | 35mm | APS-C |
| Sensor size: | 861.6mm2 (35.90mm x 24.00mm) | 361.15mm2 (23.30mm x 15.50mm) |
| Approximate Pixel Pitch: | 4.51 microns | 3.76 microns |
| Focal Length Multiplier: | 1.0x | 1.5x |
| Aspect Ratio: | 3:2 | 3:2 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | None | Optional |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | Yes | Yes |
| On-Sensor Phase Detect: | Yes | No |
| DxO Sensor Score: | 100 | |
| DxO Color Depth Score (bits): | 26.0 | |
| DxO Dynamic Range Score (evs): | 14.7 | |
| DxO Maximum Effective ISO Score (iso): | 3,523 | |
| Image Capture | ||
| Image Resolution: |
7952 x 5304
(42.2 MP,
3:2), 5168 x 3448 (17.8 MP, 3:2), 3984 x 2656 (10.6 MP, 3:2), 7952 x 4472 (35.6 MP, 16:9), 5168 x 2912 (15.0 MP, Other), 3984 x 2240 (8.9 MP, 16:9), 5168 x 3448 (17.8 MP, 3:2), 3984 x 2656 (10.6 MP, 3:2), 2592 x 1728 (4.5 MP, 3:2), 5168 x 2912 (15.0 MP, Other), 3984 x 2240 (8.9 MP, 16:9), 2592 x 1456 (3.8 MP, 16:9) |
6192 x 4128
(25.6 MP,
3:2), 4752 x 3168 (15.1 MP, 3:2), 3648 x 2432 (8.9 MP, 3:2), 1920 x 1280 (2.5 MP, 3:2) |
| Image File Format: | JPEG, RAW (14-bit ARW 2.3), RAW+JPEG | JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG |
| Continuous-mode frames/second: | 9.9 | 12.0 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
3840x2160 (30p/25p/24p)
1920x1080 (120p/100p/60p/60i/50p/50i/30p/25p/24p) |
3840x2160 (30p/24p)
1920x1080 (60p/50p/30p/25p/24p) |
| Movie File Format: | XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo | MPEG-4 AVC/H.264 (MOV) |
| Composite Video Out: | No | No |
| NTSC/PAL Switchable Video: | n/a | n/a |
| Video Usable as Viewfinder: | n/a | n/a |
| HD Video Out: | Yes | Yes |
| HD Video Connection: | HDMI | HDMI |
| Lens & Optics | ||
| Lens Mount: | Sony E | Pentax K (KA/KAF/KAF2/3/4) |
| Lens: | n/a | n/a |
| Focal Length (35mm equivalent): | ||
| Focal Length (actual): | ||
| Zoom Ratio: | ||
| Aperture Range: | ||
| Integrated ND Filter: | No | No |
| Normal Focus Range: | ||
| Macro Focus Range: | ||
| Filter Thread: | n/a | n/a |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | Yes | |
| Digital Zoom Values: | Up to 4x; up to 2x Clear Image Digital Zoom | |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | Fast Hybrid 4D AF with 399 focal plane phase-detect points and 425 contrast-detect AF points; Wide (399 points (phase-detection AF), 425 points (contrast-detection AF)) / Zone / Center / Flexible Spot (S/M/L) /Expanded Flexible Spot/ Lock-on AF (Wide / Zone / Center / Flexible Spot (S/M/L)/Expanded Flexible Spot); Touch AF | SAFOX 13 TTL phase-matching - 101 point (25 cross type focus points in the center) |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | EVF / LCD | Optical / LCD |
| Viewfinder Type: | EVF: 1.3 cm (0.5 type) 3,686K-dot Quad VGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0m-1 diopter, Approx. 23mm eyepoint from the eyepiece lens, 18.5mm from the eyepiece frame at -1m-1, eye sensor | SLR type; eye-level pentaprism, ~100% coverage, 1.05x mag., 20.5mm eyepoint, -4.0 to +1.0 diopter |
| Focus Peaking: | Yes | Yes |
| EVF Resolution: | 3,686,400 dots (1,228,800 pixels) | n/a |
| Viewfinder Magnification (35mm equivalent): | 0.78x | 1.05x |
| Viewfinder Magnification (nominal/claimed): | 0.78x | |
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 3.0 | 3.2 |
| Rear Display Resolution: | 1,440,000 dots (360,000 px) | 1,620,000 dots (540,000 px) |
| Touchscreen: | Yes | Yes |
| Articulating Screen: | Yes | No |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 16.0x | |
| Top Deck Display: | No | Yes |
| Exposure | ||
| Maximum ISO (native): | 32000 | 1600000 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | AUTO (ISO 100-12800; selectable lower limit and upper limit), ISO 100 - 32000, expandable to ISO 50 - 102400 | Auto, 100-1600000 (1, 1/2 or 1/3 EV steps) |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater | Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings), Copying the white balance setting of a captured image |
| Shutter Speed Range: | 1/8000 - 30 sec | 1/8000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 5.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | 1200-zone Evaluative Multi-segment, Center-weighted, Spot | TTL open-aperture: Multi-segment with 307K-pixel RGBIr sensor, Center-weighted, Spot, Highlight-weighted |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | Yes | Yes |
| Shutter Priority: | Yes | Yes |
| Full Manual Exposure: | Yes | Yes |
| Creative Exposure Modes: | 3 Custom Settings; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) | Scene Analyze Auto, Program, Sensitivity Priority, Shutter Priority, Aperture Priority, Shutter & Aperture Priority; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Tone Expansion, Bold Monochrome, Grainy Monochrome; HDR: Auto, HDR1, HDR2, HDR3, Advanced HDR, Exposure bracket value adjustable, Automatic composition correction function; Pixel Shift Resolution (On/Off) |
| Self Timer: | 2, 5, 10; 3/5 shots after 2/5/10 seconds | 2 or 12 seconds |
| Time Lapse (intervalometer): | No | |
| High Resolution Composite: | 42.4 megapixels | 24.0 megapixels |
| Flash | ||
| Built-in Flash: | No | No |
| Flash Modes: | Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off | P-TTL; Modes available depends on external flash mounted |
| Flash Guide Number (ISO 100): | n/a | n/a |
| Flash Range Description: | n/a | n/a |
| Max Flash Sync: | 1/250 | 1/200 |
| Flash Exposure Compensation: | +/- 3.0 EV in 0.3EV steps | -2 to +1 EV in 0.5EV steps |
| External Flash Connection: | Multi Interface Hot Shoe, Sync Terminal | Hot Shoe, PC Sync socket |
| Built-In Wireless Flash Control: | No | No |
| Image Storage | ||
| Usable Memory Types: | MS PRO Duo / SD / SDHC / SDXC | SD / SDHC / SDXC |
| UHS Support: | UHS-II | UHS-II |
| Other Memory: | Slot1:SD UHS-II; 2:MS/SD UHS-I | |
| Dual Card Slots: | Yes | Yes |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | RAW (14-bit ARW 2.3), RAW+JPEG | 14-bit RAW (.PEF, .DNG), RAW+JPEG |
| Movie File Format: | XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo | MPEG-4 AVC/H.264 (MOV) |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | Yes | Yes |
| NFC: | Yes | No |
| Bluetooth: | Yes | Yes |
| Built-In GPS: | No | No |
| Microphone Jack: | Yes | Yes |
| Headphone Jack: | Yes | Yes |
| External Connections: | USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi | USB 3.0 Super Speed,Bluetooth,WiFi |
| PictBridge Compliant: | No | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional via RM-VPR1, USB or Wi-Fi | Optional Wired or IR |
| Connections (extended): | USB-C (USB 3.1 Gen 1), Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, Microphone and Headphone jacks | USB 3.2 Gen1 (Type-C), Micro B,Micro (Type D) HMDI, External cable switch terminal (2.5mm), X-sync socket, 3.5mm stereo mic input, 3.5mm headphone jack |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | <0.3 | |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | ||
| Buffer size for RAW shooting in single shot mode (frames): | ||
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | <0.3 | |
| Camera penalizes early shutter press? | No | |
| JPEG shooting speed in burst mode (fps, max resolution): | 9.9 | 12.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 82 | 30 |
| RAW shooting speed in burst mode (fps): | 9.2 | |
| Buffer size for RAW shooting in burst mode (frames): | 30 | |
| RAW+JPEG shooting speed in burst mode (fps): | 9.1 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 30 | |
| Shutter lag (full AF, wide/mid): | 0.25 seconds | |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.105 seconds | |
| Shutter lag (full AF, with flash): | ||
| Shutter Lag (prefocused): | 0.023 seconds | |
| Shutter Lag (notes): | Silent Shooting Mode: Full AF lag = 0.368s, Manual focus = 0.258s, Prefocus = 0.123s | |
| Startup Time: | 1.7 seconds | |
| Play -> Record Time: | 1.4 seconds | |
| Flash cycle time, full power: | ||
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 650 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 530 shots | 800 shots |
| Battery Life, Video: | 100 minutes | |
| Battery Form Factor: | Proprietary | Proprietary D-LI90 |
| Usable Battery Types: | NP-FZ100 Lithium-ion rechargeable | Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary NP-FZ100 Lithium-ion rechargeable | 1 x Proprietary D-LI90 Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
| Dedicated Battery Charger Included: | Yes | Yes |
| Internal Charging Supported: | Yes | No |
| Software | ||
| Included Software: | Capture One Express (for Sony) free download | Software CD-ROM includes Digital Camera Utility 5 |
| OS Compatibility: | ||
| Miscellaneous | ||
| Notes & Features: | ||
